系統：ubuntu 20.04 LTS
問題：在通過 Sudo apt-get install steam 下載雖然成功。更新完成後卻會自動crash掉

錯誤訊息：
執行steam後出現

Couldn't import apt, please install python3-apt or update steamdeps for your distribution.
Running Steam on ubuntu 20.04 64-bit
STEAM_RUNTIME is enabled automatically
Pins up-to-date!
Steam client's requirements are satisfied
/home/shoghi/.local/share/Steam/ubuntu12_32/steam
[2020-09-20 14:28:35] Startup - updater built Sep 3 2020 21:18:09
Installing breakpad exception handler for appid(steam)/version(1599174997)
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
SteamUpdateUI: An X Error occurred
X Error of failed request: GLXBadContext
SteamUpdateUI: An X Error occurred
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 151 (GLX)
Minor opcode of failed request: 3 (X_GLXCreateContext)
Value in failed request: 0x0
Serial number of failed request: 45
xerror_handler: X failed, continuing
Major opcode of failed request: 151 (GLX)
Minor opcode of failed request: 6 (X_GLXIsDirect)
Serial number of failed request: 46
xerror_handler: X failed, continuing
Looks like steam didn't shutdown cleanly, scheduling immediate update check
[2020-09-20 14:28:35] Loading cached metrics from disk (/home/shoghi/.local/share/Steam/package/steam_client_metrics.bin)
Installing breakpad exception handler for appid(steam)/version(1599174997)
[2020-09-20 14:28:35] Checking for update on startup
[2020-09-20 14:28:35] Checking for available updates...
[2020-09-20 14:28:35] Downloading manifest: client-download.steampowered.com/client/steam_client_ubuntu12
Installing breakpad exception handler for appid(steam)/version(1599174997)
[2020-09-20 14:28:37] Download skipped: /client/steam_client_ubuntu12 version 1599174997, installed version 1599174997, downloaded version 0
[2020-09-20 14:28:37] Nothing to do
[2020-09-20 14:28:37] Verifying installation...
[2020-09-20 14:28:37] Performing checksum verification of executable files
[2020-09-20 14:28:37] Verification complete
Loaded SDL version 2.0.13-5919606
Gtk-Message: 14:28:37.638: Failed to load module "atk-bridge"

(steam:10677): Gtk-WARNING **: 14:28:37.647: 無法在 module_path 中找出佈景主題引擎：‘adwaita’，

(steam:10677): Gtk-WARNING **: 14:28:37.647: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.648: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.648: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.648: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.648: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.648: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘pixmap’，

(steam:10677): Gtk-WARNING **: 14:28:37.649: 無法在 module_path 中找出佈景主題引擎：‘adwaita’，
Gtk-Message: 14:28:37.650: Failed to load module "canberra-gtk-module"
libGL error: No matching fbConfigs or visuals found
libGL error: failed to load driver: swrast
Steam: An X Error occurred
X Error of failed request: GLXBadContext
Major opcode of failed request: 151
Serial number of failed request: 51
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request: BadValue (integer parameter out of range for operation)
Major opcode of failed request: 151
Value in failed request: 0x0
Serial number of failed request: 50
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 151
Serial number of failed request: 52
xerror_handler: X failed, continuing
assert_20200920142835_1.dmp[10719]: Uploading dump (out-of-process)
/tmp/dumps/assert_20200920142835_1.dmp
/home/shoghi/.local/share/Steam/steam.sh: 第 750 列： 10677 程式記憶體區段錯誤 (核心已傾印) $STEAM_DEBUGGER "$STEAMROOT/$STEAMEXEPATH" "$@"
(base) shoghi@shoghi-Z390-AORUS-ELITE:~$ assert_20200920142835_1.dmp[10719]: Finished uploading minidump (out-of-process): success = yes
assert_20200920142835_1.dmp[10719]: response: CrashID=bp-a7abc96c-56a5-4d63-b3bf-882c62200919
assert_20200920142835_1.dmp[10719]: file ''/tmp/dumps/assert_20200920142835_1.dmp'', upload yes: ''CrashID=bp-a7abc96c-56a5-4d63-b3bf-882c62200919'

一步一步解，錯誤訊息裡說了，請安裝python3-apt。

我的steam完美執行，這是我有安裝的python3 (我是讓它依照相依性自然安裝的，應該沒有特別去個別安裝什縻，所以有可能下面的python3不見得會全用到)參考看看：
python3-apport/focal-updates,focal-updates,focal-security,focal-security,now 2.20.11-0ubuntu27.21 all [已安裝，自動]
python3-apt/focal-updates,now 2.0.0ubuntu0.20.04.6 amd64 [已安裝，自動]
python3-aptdaemon.gtk3widgets/focal-updates,focal-updates,focal-security,focal-security,now 1.1.1+bzr982-0ubuntu32.3 all [已安裝，自動]
python3-aptdaemon/focal-updates,focal-updates,focal-security,focal-security,now 1.1.1+bzr982-0ubuntu32.3 all [已安裝，自動]
python3-blinker/focal,focal,now 1.4+dfsg1-0.3ubuntu1 all [已安裝，自動]
python3-brlapi/focal,now 6.0+dfsg-4ubuntu6 amd64 [已安裝，自動]
python3-bs4/focal,focal,now 4.8.2-1 all [已安裝，自動]
python3-cairo/focal,now 1.16.2-2ubuntu2 amd64 [已安裝，自動]
python3-certifi/focal,focal,now 2019.11.28-1 all [已安裝，自動]
python3-cffi-backend/focal,now 1.14.0-1build1 amd64 [已安裝，自動]
python3-chardet/focal,focal,now 3.0.4-4build1 all [已安裝，自動]
python3-click/focal,focal,now 7.0-3 all [已安裝，自動]
python3-colorama/focal,focal,now 0.4.3-1build1 all [已安裝，自動]
python3-commandnotfound/focal-updates,focal-updates,now 20.04.4 all [已安裝，自動]
python3-crypto/focal,now 2.6.1-13ubuntu2 amd64 [已安裝，自動]
python3-cryptography/focal-updates,focal-security,now 2.8-3ubuntu0.1 amd64 [已安裝，自動]
python3-cups/focal,now 1.9.73-3build1 amd64 [已安裝，自動]
python3-cupshelpers/focal-updates,focal-updates,now 1.5.12-0ubuntu1.1 all [已安裝，自動]
python3-dateutil/focal,focal,now 2.7.3-3ubuntu1 all [已安裝，自動]
python3-dbus/focal,now 1.2.16-1build1 amd64 [已安裝，自動]
python3-debconf/focal,focal,now 1.5.73 all [已安裝，自動]
python3-debian/focal,focal,now 0.1.36ubuntu1 all [已安裝，自動]
python3-defer/focal,focal,now 1.0.6-2.1 all [已安裝，自動]
python3-distro-info/focal,focal,now 0.23ubuntu1 all [已安裝，自動]
python3-distro/focal,focal,now 1.4.0-1 all [已安裝，自動]
python3-distupgrade/focal-updates,focal-updates,now 1:20.04.36 all [已安裝，自動]
python3-distutils/focal-updates,focal-updates,focal-security,focal-security,now 3.8.10-0ubuntu1~20.04 all [已安裝，自動]
python3-entrypoints/focal,focal,now 0.3-2ubuntu1 all [已安裝，自動]
python3-gdbm/focal-updates,focal-security,now 3.8.10-0ubuntu1~20.04 amd64 [已安裝，自動]
python3-gi-cairo/focal,now 3.36.0-1 amd64 [已安裝，自動]
python3-gi/focal,now 3.36.0-1 amd64 [已安裝，自動]
python3-gpg/focal,now 1.13.1-7ubuntu2 amd64 [已安裝，自動]
python3-html5lib/focal,focal,now 1.0.1-2 all [已安裝，自動]
python3-httplib2/focal,focal,now 0.14.0-1ubuntu1 all [已安裝，自動]
python3-ibus-1.0/focal-updates,focal-updates,now 1.5.22-2ubuntu2.1 all [已安裝，自動]
python3-idna/focal,focal,now 2.8-1 all [已安裝，自動]
python3-jwt/focal,focal,now 1.7.1-2ubuntu2 all [已安裝，自動]
python3-keyring/focal,focal,now 18.0.1-2ubuntu1 all [已安裝，自動]
python3-launchpadlib/focal,focal,now 1.10.13-1 all [已安裝，自動]
python3-lazr.restfulclient/focal,focal,now 0.14.2-2build1 all [已安裝，自動]
python3-lazr.uri/focal,focal,now 1.0.3-4build1 all [已安裝，自動]
python3-ldb/focal-updates,focal-security,now 2:2.2.3-0ubuntu0.20.04.2 amd64 [已安裝，自動]
python3-lib2to3/focal-updates,focal-updates,focal-security,focal-security,now 3.8.10-0ubuntu1~20.04 all [已安裝，自動]
python3-louis/focal,focal,now 3.12.0-3 all [已安裝，自動]
python3-lxml/focal-updates,focal-security,now 4.5.0-1ubuntu0.3 amd64 [已安裝，自動]
python3-macaroonbakery/focal,focal,now 1.3.1-1 all [已安裝，自動]
python3-minimal/focal,now 3.8.2-0ubuntu2 amd64 [已安裝，自動]
python3-nacl/focal,now 1.3.0-5 amd64 [已安裝，自動]
python3-netifaces/focal,now 0.10.4-1ubuntu4 amd64 [已安裝，自動]
python3-oauthlib/focal,focal,now 3.1.0-1ubuntu2 all [已安裝，自動]
python3-olefile/focal,focal,now 0.46-2 all [已安裝，自動]
python3-pexpect/focal,focal,now 4.6.0-1build1 all [已安裝，自動]
python3-pil/focal-updates,focal-security,now 7.0.0-4ubuntu0.4 amd64 [已安裝，自動]
python3-pkg-resources/focal,focal,now 45.2.0-1 all [已安裝，自動]
python3-problem-report/focal-updates,focal-updates,focal-security,focal-security,now 2.20.11-0ubuntu27.21 all [已安裝，自動]
python3-protobuf/focal,now 3.6.1.3-2ubuntu5 amd64 [已安裝，自動]
python3-ptyprocess/focal,focal,now 0.6.0-1ubuntu1 all [已安裝，自動]
python3-pyatspi/focal,focal,now 2.36.0-1 all [已安裝，自動]
python3-pymacaroons/focal,focal,now 0.13.0-3 all [已安裝，自動]
python3-pyxattr/focal,now 0.6.1-2 amd64 [已安裝，自動]
python3-renderpm/focal,now 3.5.34-1ubuntu1 amd64 [已安裝，自動]
python3-reportlab-accel/focal,now 3.5.34-1ubuntu1 amd64 [已安裝，自動]
python3-reportlab/focal,focal,now 3.5.34-1ubuntu1 all [已安裝，自動]
python3-requests-oauthlib/focal,focal,now 1.0.0-1.1build1 all [已安裝，自動]
python3-requests-unixsocket/focal,focal,now 0.2.0-2 all [已安裝，自動]
python3-requests/focal,focal,now 2.22.0-2ubuntu1 all [已安裝，自動]
python3-rfc3339/focal,focal,now 1.1-2 all [已安裝，自動]
python3-samba/focal-updates,focal-security,now 2:4.13.14+dfsg-0ubuntu0.20.04.1 amd64 [已安裝，自動]
python3-secretstorage/focal,focal,now 2.3.1-2ubuntu1 all [已安裝，自動]
python3-simplejson/focal,now 3.16.0-2ubuntu2 amd64 [已安裝，自動]
python3-six/focal,focal,now 1.14.0-2 all [已安裝，自動]
python3-software-properties/focal-updates,focal-updates,now 0.99.9.8 all [已安裝，自動]
python3-soupsieve/focal,focal,now 1.9.5+dfsg-1 all [已安裝，自動]
python3-speechd/focal,focal,now 0.9.1-4 all [已安裝，自動]
python3-systemd/focal,now 234-3build2 amd64 [已安裝，自動]
python3-talloc/focal-updates,focal-security,now 2.3.1-0ubuntu0.20.04.1 amd64 [已安裝，自動]
python3-tdb/focal-updates,focal-security,now 1.4.3-0ubuntu0.20.04.1 amd64 [已安裝，自動]
python3-tz/focal,focal,now 2019.3-1 all [已安裝，自動]
python3-tzlocal/focal,focal,now 2.1~b1-2 all [已安裝，自動]
python3-uno/focal-updates,now 1:6.4.7-0ubuntu0.20.04.1 amd64 [已安裝，自動]
python3-update-manager/focal-updates,focal-updates,now 1:20.04.10.9 all [已安裝，自動]
python3-urllib3/focal-updates,focal-updates,focal-security,focal-security,now 1.25.8-2ubuntu0.1 all [已安裝，自動]
python3-wadllib/focal,focal,now 1.3.3-3build1 all [已安裝，自動]
python3-webencodings/focal,focal,now 0.5.1-1ubuntu1 all [已安裝，自動]
python3-xdg/focal,focal,now 0.26-1ubuntu1 all [已安裝，自動]
python3-xkit/focal,focal,now 0.5.0ubuntu4 all [已安裝，自動]
python3-yaml/focal-updates,focal-security,now 5.3.1-1ubuntu0.1 amd64 [已安裝，自動]
python3.8-minimal/focal-updates,focal-security,now 3.8.10-0ubuntu1~20.04.1 amd64 [已安裝，自動]
python3.8/focal-updates,focal-security,now 3.8.10-0ubuntu1~20.04.1 amd64 [已安裝，自動]
python3/focal,now 3.8.2-0ubuntu2 amd64 [已安裝，自動]